Range Threshold (0.3%): Gold: Moves ~0.1–0.5% intraday on 1m–60m charts during active hours (e.g., London/NY session). 0.3% keeps ranges tight but realistic. BTC: Can move 0.5–2% in minutes, but 0.3% works for micro-ranges on lower timeframes (e.g., 5m). Value Area Size (0.7%): Centered on Tap 1, ±0.7% fits both assets: Gold: ~$15–20 range around a $2,000 price on 5m–15m. BTC: ~$300–500 range around a $60,000 price on 5m–15m. Keeps the BoS fractal within a scalp-friendly zone. Stop Loss (0.4%) & Take Profit (0.8%): Gold: 0.4% ≈ $8 stop, $16 profit at $2,000—quick and achievable. BTC: 0.4% ≈ $240 stop, $480 profit at $60,000—suits its volatility. 1:2 risk-reward ratio for scalping consistency. Lookback (3):